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5. Which of the following is a proportion?
A. 25:36 = 5:6 B.2:3 = 18:30 C. 4:5 = 28:35
D. 16:20 = 4:6
6. Which of the following is not a proportion?
A.5:6 = 25:30 B. 3:8 = 21:56 C.5:9 = 45:72
C. 3:5 = 6:10​


Sagot :

Answer:

5.c

6.a

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Step-by-step explanation:

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Answer:

5. C

6. C

Step-by-step explanation:

5) 4:5 = 28:35 is a proportion because, when we multiply

4 and 5 by 7, it will be 28 and 35

6) 5:9 = 45:72 is not a proportion because when we multiply

5 and 9 by 9, it will be 45 and 81